Vinum, replaced disk -- fsck error.

[Greg 'groggy' Lehey]

On Saturday, 20 March 2004 at  0:23:11 +0000, Lewis Thompson wrote:
> On Sat, Mar 20, 2004 at 08:57:38AM +1030, Greg 'groggy' Lehey wrote:
>> On Friday, 19 March 2004 at  3:03:34 +0000, Lewis Thompson wrote:
>>> In a reply to my original question you stated that ``dd if=ad3 of=ad1
>>> bs=8192 conv=noerror'' ``may or may not work, depending on details you
>>> haven't reported.''  Do these detailed errors help at all?
>>
>> A little.  They tell me that the drive is flaky.  I'd expect to see
>> the error messages in /var/log/messages, though.
>
> Right.  I've just written a full-blown reply to this message but on the
> very last thing I did some looking into dd.  After some searching I
> found somebody that said:
>
> ``One must specify conv=noerror,sync when copying raw disks with bad
> sectors to ensure dd stays synchronized''
>
>   I'm feeling sheepish now.  I've only used conv=noerror.  This would
> probably explain something (i.e. I can read the config from the disk
> because it's synched at the beginning).

Possibly.  It's also possible that the bad sectors contained crucial
data; that's what I had expected.

>   I'm going to re-dd the disk on Monday (I'm away for the weekend).
> I'll tell you how I get on then.

I still don't understand why you're using dd.

Greg
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